Service manual

Schematic Diagrams
POWER GOOD B - 33
B.Schematic Diagrams
POWER GOOD
Sheet 34 of 46
POWER GOOD
C216
0. 1UF_06
C902
0.1UF_06
C906
0.1UF_06
B
E C
Q45
2SC 4672
2 4
53
1
U14
7404_U MT 5
2
1
4
3
5
U25
TC7SZ08
1 2
R343
*5.1K_06
C904
0.1UF_06
C350
2200P_0 6
T425
R230
470K_06
C905
0.1UF_06
R243
220K_1% _06
RESET#
1
GND
2
MR#
3
RST-IN
4
VCC
5
U15
MAX6306
C309
*0.1U_06
C900
0.1UF_06
CA25 0.1UF_06
C908
0. 1UF_06
R242
750K_1% _06
R379
1M_06
C901
0.1UF_06
R241
1K_06
T
C206
*0.1U_06
R235
1K_06
R232
1K_06
C907
0. 1UF_06
24
53
1
U26
74AH C1G14
C903
0.1UF_06
1 2
R347
0_06
+3V
+3V
+3V
+3V
+3VS
+3VS+3V
+3VS
+3V
+3V +3VS
+1.5VS
+5VS
+3V
+3VS
+3VS
+3V +3V
+5VS 9,12,15,17,19,22,23,25,27,28,29,33,34,35
+3VS
+3VS
+1.5VS 11,15,19,33
+3VS 2,5,7,8,9,10,11,12,13,14,15,17,18,19,22,23,24,25,27,28,31,34,35
+3V 5,10,11,12,14,15,18,19,20,21,22,23,25,28,29,31
H8_BEEP 25
CK8_PWRGD 14,22ICHPWROK5,17,25,27
PGOOD29
H8BEEP22
Z3301
Z3315
Z3302
POWER SEQUENCING
NOTE:
CK8_PWRGD Faster than PWRGD_SB.
Z3308
ICHPWROK
CK8_PWRGD
Z3309
Z3312
MAX6306 Delay 200ms
Z3311
Z3310